WEBVTT KI HAS THE STORY.>> YOU'RE LIKE 5 YARDS AWAY.REPORTER: IT'S ONE OF THE MOSTAMAZING COMEBACKS EVER PLAYEDOUT IN MEMORIAL STADIUM.>> THE 2, THE 1 TOUCHDOWN.REPORTER: 7-YEAR-OLD AIDENCROUSE WALKING, STANDING UP,GETTING A SPECIAL TOUR FROMBASEBALL PLAYERS NATE FISCHERAND JAKE SCHLEPPENBACH AND JAKEMCSTEEN.>> TO SEE HIM WALK 20 TO 30 YARDACROSS THE FOOTBALL FIELD THAT'SPRETTY IMPRESSIVE AND IT'S COOLTO SEE HOW FAR HE COMES EACHWEEK.REPORTER: AMAZING WHEN YOUREALIZE LESS THAN 3 MONTHS AGOAIDEN LAY IN CRITICAL CONDITIONAFTER BEING RUN OVER BY A TRUCK.>> THE EXTENT OF HIS DAMAGE THEYREALLY COULDN'T TELL LIKE WHATWAS REALLY GOING TO HAPPEN WITHHIM.REPORTER: ON DECEMBER 8, AIDENWAS WALKNG WITH HIS LITTLESISTER TO LINCOLN SARATOGAELEMENTARY SCHOOL WHEN HE WASHIT AS ENTERED THIS CROSSWALK.THERE WERE NO BROKEN BONES.BUT AIDEN SUFFERED SEVERE BRAINDAMAGE AND WAS IN A COMA FORDAYS.>> THE TRUCK COMPLETELY RAN OVERHIS FOOT.I DON'T KNOW HOW HE DIDN'T BREAKA BONE.REPORTER: WHEN AIDEN GOT TOMADONNA REHABILITATION HOSPTIALJUST BEFORE CHRISTMAS HE STILLWASN'T RESPONSIVE.>> HE COULDN'T SIT UP.HE COULDN'T CONTROL ANY OF HISMOVEMENTS AT ALL.REPORTER: STEP BY STEP AND WITHTHE HELP OF SOME NEW FRIENDS.LIKE THOSE HUSKERS, WHO STOPPEDIN SEVERAL TIMES TO SHOOT HOOPS >> THERE IT IS.REPORTER: AND HANG OUT.AIDEN GOT STRONGER AND REGAINEDHIS COGNATIVE SKILLS.>> I TRY REAL HARD WHEN THEHUSKER ARE HERE.>> IT'S JUST AMAZING WHAT PEOPLEDID FOR AIDEN.REPORTER: HE EVEN GOT A LITTLESKYPE TIME WITH ASTRONAUTCLAYTON ANDERSON.AIDEN HAD A LIST OF QUESTIONSFOR THE NEBRASKA NATIVE WHO FLEW4 SPACE MISSIONS.>> WHAT IS IT LIKE BEING ANASTRONAUT?HOW DO YOU GO TO THE BATHROOM INSPACE?ARE THERE REALLY ALIENS ON MARS?>> I THINK IF THERE WERE ALIENSTHERE THEY WOULD HAVE GIVEN US APHONE CALL ALREADY.REPORTER: AIDEN'S PARENTSSTUGGLE WITH THE FACT THE22-YEAR-OLD DRIVER OF THE TRUCKWAS NOT CHARGED OR TICKETED.NO APOLOGIES.NO CALLS.>> JUST A PHONE CALL TO CHECK UPON HIM TO SEE HOW HE'S DOING.NOTHING.REPORTER: THEY ARE FOCUSED ONAIDEN'S FULL RECOVERY AND AFUTURE WHERE EVEN THE SKY IS NOTTHE LIMIT.>> HE IS GOING TO BE GREAT.SO REALLY THAT'S ALL THATMATTERS.REPORTER: IN LINCOLN ANDREW